ES282513Y - Dispositivo exclusor para telefonos instalados en paralelo - Google Patents

Dispositivo exclusor para telefonos instalados en paralelo

Info

Publication number
ES282513Y
ES282513Y ES1984282513U ES282513U ES282513Y ES 282513 Y ES282513 Y ES 282513Y ES 1984282513 U ES1984282513 U ES 1984282513U ES 282513 U ES282513 U ES 282513U ES 282513 Y ES282513 Y ES 282513Y
Authority
ES
Spain
Prior art keywords
parallel
exclusive device
phones
installed phones
exclusive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES1984282513U
Other languages
English (en)
Spanish (es)
Other versions
ES282513U (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Amper SA
Original Assignee
Amper SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Amper SA filed Critical Amper SA
Priority to ES1984282513U priority Critical patent/ES282513Y/es
Priority to AU38727/85A priority patent/AU572959B2/en
Priority to MX204354A priority patent/MX156924A/es
Priority to PT80026A priority patent/PT80026B/pt
Priority to CA000476309A priority patent/CA1230438A/en
Priority to BR8501351A priority patent/BR8501351A/pt
Priority to GR850967A priority patent/GR850967B/el
Priority to EP85201128A priority patent/EP0182393A3/en
Publication of ES282513U publication Critical patent/ES282513U/es
Application granted granted Critical
Publication of ES282513Y publication Critical patent/ES282513Y/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/68—Circuit arrangements for preventing eavesdropping
    • H04M1/70—Lock-out or secrecy arrangements in party-line systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Devices For Supply Of Signal Current (AREA)
ES1984282513U 1984-11-12 1984-11-12 Dispositivo exclusor para telefonos instalados en paralelo Expired ES282513Y (es)

Priority Applications (8)

Application Number Priority Date Filing Date Title
ES1984282513U ES282513Y (es) 1984-11-12 1984-11-12 Dispositivo exclusor para telefonos instalados en paralelo
AU38727/85A AU572959B2 (en) 1984-11-12 1985-02-14 Excluder device for telephones in parallel
MX204354A MX156924A (es) 1984-11-12 1985-02-18 Mejoras en dispositivo exclusor para telefonos instalados en paralelo
PT80026A PT80026B (en) 1984-11-12 1985-02-28 Privacy circuit for common line telephones
CA000476309A CA1230438A (en) 1984-11-12 1985-03-12 Excluder device for telephones installed in parallel
BR8501351A BR8501351A (pt) 1984-11-12 1985-03-26 Dispositivo exclusor para telefones instalados em paralelo
GR850967A GR850967B (forum.php) 1984-11-12 1985-04-22
EP85201128A EP0182393A3 (en) 1984-11-12 1985-07-09 Excluder device for telephones installed in parallel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1984282513U ES282513Y (es) 1984-11-12 1984-11-12 Dispositivo exclusor para telefonos instalados en paralelo

Publications (2)

Publication Number Publication Date
ES282513U ES282513U (es) 1986-03-16
ES282513Y true ES282513Y (es) 1986-10-01

Family

ID=8432815

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1984282513U Expired ES282513Y (es) 1984-11-12 1984-11-12 Dispositivo exclusor para telefonos instalados en paralelo

Country Status (8)

Country Link
EP (1) EP0182393A3 (forum.php)
AU (1) AU572959B2 (forum.php)
BR (1) BR8501351A (forum.php)
CA (1) CA1230438A (forum.php)
ES (1) ES282513Y (forum.php)
GR (1) GR850967B (forum.php)
MX (1) MX156924A (forum.php)
PT (1) PT80026B (forum.php)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63217758A (ja) * 1987-03-05 1988-09-09 Nec Corp 分岐電話機
IT1219764B (it) * 1988-06-29 1990-05-24 Cselt Centro Studi Lab Telecom Dispositivo per l'uso esclusivo di una singola linea telefonica da parte di un telefono in impianti dotati di una molteplicita di telefoni
GB8903268D0 (en) * 1989-02-14 1989-04-05 Cts Trading Co Ltd Communication apparatus
AT392974B (de) * 1989-07-13 1991-07-25 Chemiefaser Lenzing Ag Mischpolyimide sowie verfahren zu ihrer herstellung
NO991801L (no) 1999-04-15 2000-10-16 Ericsson Telefon Ab L M FremgangsmÕte for forbedring av et telefonsystem

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7809628A (nl) * 1978-09-21 1980-03-25 Nederlanden Staat Schakeling voor multipel aangesloten telefoontoestel- len.

Also Published As

Publication number Publication date
EP0182393A2 (en) 1986-05-28
PT80026B (en) 1986-10-28
ES282513U (es) 1986-03-16
CA1230438A (en) 1987-12-15
BR8501351A (pt) 1986-10-14
PT80026A (en) 1985-03-01
MX156924A (es) 1988-10-14
GR850967B (forum.php) 1985-11-25
AU3872785A (en) 1986-05-22
AU572959B2 (en) 1988-05-19
EP0182393A3 (en) 1987-09-30

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Legal Events

Date Code Title Description
MM1K Utility model lapsed

Effective date: 19960506